my plant is 2 weeks old and about 4-5 inches tall is there anyway to tell if its a male or a female yet?also ive been reading some threads and from what i ahev gathered atleast is once the plant si mature it will sart too pre-flower even in a 24 hour light cycle ocne it starts to pre-flower do u have to switch ti to 12/12 or can u keep it on a 24 hour cycle to make it taller then later one switch ti to a 12/12?